Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Steel -
Wheels 26" -
Groupset GX, Race Face -
Suspension Rigid -
Drivetrain 2 × 11 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 170cm
MD
168cm - 179cm
LG
176cm - 187cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded cargo specific engineered for stiffness and durability
Suspension Fork
Surly Wednesday, Tapered straight blade 4130 CroMoly. 468mm axle to crown, 47mm offset. 51mm I.S. front standard disc mount, 150
Drivetrain
Rear Derailleur
SRAM GX 2x11 long cage type 2.1
Front Derailleur
SRAM GX 2x11 high direct mount
Shift Levers
SRAM GX 2x11
Cassette
Sunrace 11s 11/42
Crank
Race Face 36/22
Bottom Bracket
100mm wide, threaded English (1.37? x 24t)
Chain
KMX X11 anti rust
Wheels
Front Hub
Salsa 150x15 32h
Rear Hub
Salsa 197x12 32h
Rims
Surly My Other Brother Darryl
Tires
Surly Edna (front and rear)
Brakes
Brakes
SRAM Level T
Brake Levers
SRAM Level T
Cockpit
Stem
H.L. 31.8mm clamp 4-bolt
Handlebar
Answer ProTaper
Headset
Cane Creek 40 series
Seat
Saddle
WTB Volt
Seatpost
H.L. 9mm offset 2 bolt
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.38 mm | 1.38 mm | 1.39 mm |
| Front Center | 661 mm | 692 mm | 719 mm |
| Rake | 47 mm | 47 mm | 47 mm |
| Trail | 72 mm | 73 mm | 72 mm |
| Stack | 576 mm | 604 mm | 632 mm |
| Reach | 418 mm | 439 mm | 455 mm |
| Top Tube Length | 597 mm | 627 mm | 652 mm |
| Seat Tube Angle | 72.5 ° | 72.5 ° | 72.5 ° |
| Seat Tube Length | 356 mm | 432 mm | 508 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 90 mm | 120 mm | 150 mm |
| Chainstay Length | 882 mm | 882 mm | 882 mm |
| Wheelbase | 1539 mm | 1570 mm | 1597 mm |
| Bottom Bracket Drop | 55 mm | 55 mm | 55 mm |
| Standover Height | 747 mm | 797 mm | 847 mm |
| Wheels | 26" | 26" | 26" |
| Rider Min Height | 158 cm | 168 cm | 176 cm |
| Rider Max Height | 170 cm | 179 cm | 187 cm |
Model Overview
Big Fat Dummy completes the Surly Big Fat model. There are 8 bikes that carry this model name. Take a sneak peek at all Surly Big Fat bikes models from 2018, by clicking here.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Long Tail Cargo bikes
Our math shows that the average cost of a dependable Long Tail Cargo bike is 1276$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Long Tail Cargo bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Big Fat Dummy components
Fork material
The fork is made out of steel, which is tougher than carbon in the case of an impact. However, it can add some extra weight to the bike.
Wheels
When it comes to wheels, the Big Fat Dummy bike is equipped with the 26″ aluminum model. These wheels give you great handling over your bike. However, you will need increased suspension than in the case of 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. Surly Big Fat Dummy has Hydraulic Disc brakes installed. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
Big Fat Dummy comes in 3 sizes, that range from 158 cm – 187 cm (5.18 ft – 6.14 ft). In conclusion, finding one for you shouldn’t be a problem.